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xPRO Wiring diagram on Git hub is wrong

Discussion in 'CNC Mills/Routers' started by Fabian68, Oct 15, 2018.

  1. Fabian68

    Fabian68 New
    Builder

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    Well not wrong, but for me the Nema wires are different colours to mine. The Colours on the diagram are,

    RED
    GREEN
    YELLOW
    BLACK

    Now my Nema 17 and the 3 23s (All bought from here in the US) are slightly different,

    RED
    BLACK
    BLUE
    GREEN

    Personally I'd just connect the Blue in place of the Yellow, but I don't want to wire it wrongly as it might damage something.

    Has anyone else had Nema's with the same wiring as mine and if yes, did you do as I suggested above.
    Please let me know as this is the last part of this build.

    Thanks a lot.
     
  2. CNCMD

    CNCMD Veteran
    Builder

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    You need to determine which wires are a pair of coils.
     
  3. Giarc

    Giarc Master
    Moderator Builder

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    Using no power, pick a wire. Then, pair it with another. If it is hard to turn the motor by hand, then it is a pair. If not, pick another and repeat. When you find a pair, do the same to the other two just to verify. Or, if you have a way to measure continuity, choose that method.

    More info: Spark-Concepts/xPRO

    After hooking them up, if a motor turns opposite of the way you want, pick a pair and reverse those two wires.
     
  4. Fabian68

    Fabian68 New
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    Thank's for your replies guy's

    I already know my pairs, they are RED & BLACK, BLUE & GREEN. My question was about the wire colours being different.

    On the GitHub & Spark sites all the diagrams have a YELLOW wire on the Nema's, but all my Nema's have a BLUE wire, not a YELLOW one.

    Can I safely use the blue wire in place of the yellow one without compromising the setup.

    Thanks a lot.
     
  5. Rick 2.0

    Rick 2.0 OpenBuilds Team
    Staff Member Moderator Resident Builder Builder

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    Yes you'll be fine substituting blue for yellow as the color of the plastic insulation makes no difference to the Xpro board. Pairs are pairs and that's all that matters to the board.
     
    Mark Carew likes this.
  6. Fabian68

    Fabian68 New
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    Thanks Rick
    That's just what I wanted to know.
     

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